Lennox DAVE LENNOX SIGNATURE SLP98UHV Скачать руководство пользователя

Страница: 61 / 66

Page 61

Troubleshooting: Heating Sequence of Operation (Continued)

CALL FOR HIGH FIRE WITH TWO−STAGE THERMOSTAT

1st Call

for High

Fire?

Wait for Call for Heat Satisfied

2 Stage

Thermostat

2nd Stage

Recognition Delay

(30 Seconds)

YES

High

Pressure Switch

Closes Within

10 Seconds?

Error Code

Flashes

YES

Wait 5

Minutes

System will always light at 70% even if 2nd stage call for heat is in place

If the high pressure switch does not close within 5 attempts, the system

will operate at low fire for the remainder of the call for heat at request

Combustion Air Inducer ON

(100% Rate Speed)

Increase Combustion

Air Inducer Speed

if Not at 100%

Rate Speed

Adjust Indoor

Blower to

Appropiate speed

Содержание DAVE LENNOX SIGNATURE SLP98UHV

Страница 1: ...thermostat is not included and must be ordered separately The Lennox icomfort Touch thermostat must be used in communicating applications In non communicating applications the Lennox ComfortSense 7000...

Страница 2: ...e optional RAB Return Air Base 1 NOTE 60C and 60D size units that require second stage air volumes over 1800 cfm 850 L s must have one of the following 1 Single side return air with transition to acco...

Страница 3: ...OL BOX includes variable capacity integrated control transformer circuit breaker and door switch VARIABLE SPEED BLOWER MOTOR BAG ASSEMBLIES shipping location COLD END HEADER BOX PRESSURE SWITCHES VARI...

Страница 4: ...be installed in all LP applications Safety Information WARNING Improper installation adjustment alteration service or maintenance can cause property damage person al injury or loss of life Installatio...

Страница 5: ...nd grounding for the unit must be installed according to the current regulations of the Canadian Electrical Code Part I CSA Standard C22 1 and or local codes CAUTION Do not set thermostat below 60 F 1...

Страница 6: ...space keep insulation away from the furnace When the furnace is installed in an unconditioned space consider provisions required to prevent freezing of condensate drain system The A coil drain pan is...

Страница 7: ...X25mm Air Filter 1 1 2 SLP98UHV applications which include side return air and a condensate trap installed on the same side of the cabinet trap can be installed remotely within 5 feet re quire either...

Страница 8: ...igid leg is equipped with a shipping bolt and a flat white plastic wash er rather than the rubber mounting grommet used with a flexible mounting leg See figure 9 The bolt and washer must be removed be...

Страница 9: ...al Applications The SLP98UHV furnace can be installed in horizontal ap plications with either right or left hand air discharge Refer to figure 11 for clearances in horizontal applications Horizontal A...

Страница 10: ...pump must be rated for use with condensing furnaces Protect the condensate discharge line from the pump to the outside to avoid freezing 6 Continue with exhaust condensate and intake piping installat...

Страница 11: ...d Institute and the Ameri can Society for Testing and Materials ANSI ASTM stan dards The solvent shall be free flowing and contain no lumps undissolved particles or any foreign matter that ad versely...

Страница 12: ...crew to make a pilot hole DANGER DANGER OF EXPLOSION Fumes from PVC glue may ignite during system check Allow fumes to dissipate for at least 5 minutes before placing unit into operation 1 Measure and...

Страница 13: ...es 18 and 19 The SLP98UHV furnace may be installed only in direct vent applications The SLP98UHV is designed for combustion air intake through an inlet in the unit s top cap Intake air piping is in de...

Страница 14: ...ntact the Application Department for more information concerning sizing of vent systems which include multiple pipe sizes IMPORTANT Do not use screens or perforated metal in exhaust or intake terminat...

Страница 15: ...135 1 66 44 n a n a 115 68 n a n a 137 118 93 89 2 61 39 110 63 132 113 88 84 3 56 34 105 58 127 108 83 79 4 51 29 100 53 122 103 78 74 5 46 24 95 48 117 98 73 69 6 41 19 90 43 112 93 68 64 7 36 14 85...

Страница 16: ...e possible 2 2 Exhaust Intake Exhaust Intake 2 2 2 2 2 or FIGURE 19 TRANSITION SIDE VIEW 2 2 2 2 or TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN HORIZONTAL AIR APPLICATIONS RIGHT HAND DISCHARGE SHOW...

Страница 17: ...ove paved sidewalk or paved driveway located on public property Clearance under veranda porch deck or balcony 12 7 feet 2 1m 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3...

Страница 18: ...ould be insulated with 1 2 13mm Arma flex or equivalent In extreme cold climate areas 3 4 19mm Armaflex or equivalent may be necessary Insula tion on outside runs of exhaust pipe must be painted or wr...

Страница 19: ...piping should termi nate straight down using two 90 elbows See figure 21 4 Exhaust piping must terminate straight out or up as shown A reducer may be required on the exhaust pip ing at the point where...

Страница 20: ...in 12 305MM Min 6 152MM Min 24 610 MM Max 9 227MM Min 12 305MM Min 16 405 MM Max 6 152MM Max 6 152MM Min 24 610 MM Max 9 227MM Min 12 305MM Min 20 508MM Max 6 152MM Max TABLE 8 FIGURE 24 1 The exhaust...

Страница 21: ...A D WALL SUPPORT 1 2 13mm ARMAFLEX INSULATION IN UNCONDITIONED SPACE E EXTENDED APPLICATION A FIGURE 26 FIELD FABRICATED WALL TERMINATION OR 15F74 WALL RING TERMINATION KIT With INTAKE ELBOW See vent...

Страница 22: ...5 127mm 18 MAX 457mm EXHAUST VENT INTAKE AIR OPTIONAL VENT TERMINATION FOR MULTIPLE UNIT INSTALLATION OF DIRECT VENT WALL TERMINATION KIT 22G44 44J40 30G28 or 81J20 Inches mm Side View 12 305mm Min a...

Страница 23: ...4 but less than 48 FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION FIGURE 34 12 305 mm Minimum Above Grade or Average Snow Accumulation 1 2 13 mm FOAM INSULATION F...

Страница 24: ...ing into cold end header box Use Teflon tape or appropri ate pipe dope 3 Install the cap over the clean out opening at the base of the trap Secure with clamp See figure 43 4 Install drain trap using a...

Страница 25: ...PV CPipeOnly FieldProvidedVent Min 1 AboveCondensate DrainConnection 1 Min Trap Can Be Installed a Maximum 5 From Furnace Piping from furnace must slope down a minimu m of 1 4 per ft toward trap 2 Ma...

Страница 26: ...ondensate Trap With Optional Overflow Switch FIGURE 41 SLP98UHV with Evaporator Coil Using a Common Drain 1 min to 2 Max above condensatedrain connection Condensate DrainConnection Evaporator drain li...

Страница 27: ...rain Connection In Unit Condensate Drain Connection In Unit Vent To Drain Condensate Drain Connection In Unit Optional Condensate Drain Connection OptionalDrainPipingFromTrap DrainTrapAssembly Furnish...

Страница 28: ...runs to serve as a trap for sediment or condensate 5 A 1 8 N P T plugged tap or pressure post is located on the gas valve to facilitate test gauge connection See figures 52 6 In some localities codes...

Страница 29: ...E BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET GROUND JOINT UNION DRIP LEG MANUAL MAIN SHUT OFF VALVE GROUND JOINT UNION DRIP LEG MANUAL MAIN SHUT OFF VALVE GROUND JOINT UNION DRIP LEG MANUAL M...

Страница 30: ...that the appliance operates continuously 5 After the main burner has operated for 5 minutes test for leaks of flue gases at the draft hood relief opening Use the flame of a match or candle 6 After de...

Страница 31: ...o that power can be turned off for servicing 4 Before connecting the thermostat or the power wiring check to make sure the wires will be long enough for servicing at a later date Remove the blower acc...

Страница 32: ...al thermostat or any other with adjustable settings for 1st stage 2nd stage on off differen tials and adjustable stage timers Lennox recommends the following two stage thermostat set up for optimal va...

Страница 33: ...g Outdoor Air Conditioner OPTIONAL OUTDOOR AIR SENSOR OPTIONAL DISCHARGE AIR SENSOR icomfort Touch Thermostat with SLP98UHV and icomfort ENABLED Outdoor Unit icomfort Touch Thermostat icomfortt Enable...

Страница 34: ...R SENSOR FOR USE WITH HU MIDIFIER IF NOT ALREADY IN THE SYSTEM FOR OTHER FUNCTIONS BUILT INTO ALL icomfortt OUTDOOR UNITS icomfortt ENABLED SLP98UHV FURNACE HEPA BYPASS FILTER X2680 HEPA INTERLOCK KIT...

Страница 35: ...3 to set second stage heat ON delay OFF 7 minutes ON 12 minutes ON Intact Intact Intact S1 T STAT CONTROL TERM STRIP OUTDOOR UNIT 1 Heat 2 Cool NOTE Use DIP switch 3 to set second stage heat ON delay...

Страница 36: ...o Stage Cooling W914 DS to R Dehumidifi cation or Harmony III W951 O to R Heat Pumps 2 Heat 2 Cool OFF Cut Intact Intact S1 T STAT CONTROL TERM STRIP OUTDOOR UNIT 2 Heat 2 Cool with t stat with dehumi...

Страница 37: ...gas heat control DIP Switch 1 OFF Intact Intact Cut L7742U T STAT CONTROL TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump ComfortSense 7000 L7742U thermo...

Страница 38: ...Page 38 FIGURE 50 TYPICAL SLP98UHV WIRING DIAGRAM...

Страница 39: ...DS DEHUMIDIFICATION SIGNAL W2 HEAT DEMAND FROM 2ND STAGE T STAT W1 HEAT DEMAND FROM 1ST STAGE T STAT R CLASS 2 VOLTAGE TO THERMOSTAT G MANUAL FAN FROM T STAT C THERMOSTAT SIGNAL GROUND CON NECTED TO...

Страница 40: ...the unit is varied to maximize comfort Conven tional two stage mode is the factory default setting See table 14 Switch 3 Second Stage Heat On Delay If a single stage thermostat is used the integrated...

Страница 41: ...Ramping Blower speed ramping may be used to en hance dehumidification performance The switches are factory set at option A which has the greatest effect on blower motor performance Table 19 provides t...

Страница 42: ...operate in second stage cooling only Diagnostic LED Figure 51 The seven segment diagnostic LED displays operating status target airflow error codes and other information The table beginning on Page 5...

Страница 43: ...1 demand at 70 input W2 demand at 100 input No delay between stages icomfort Touch Communicating Thermostat Variable Rate Capacity Mode furnace automatically adjusts firing rate based on first and sec...

Страница 44: ...W1 demand at 70 input W2 demand at 100 input No delay between stages icomfort Touch Communicating Thermostat Variable Rate Capacity Mode furnace automatically adjusts firing rate based on first and s...

Страница 45: ...W1 demand at 70 input W2 demand at 100 input No delay between stages icomfort Touch Communicating Thermostat Variable Rate Capacity Mode furnace automatically adjusts firing rate based on first and se...

Страница 46: ...r de humidification Dehumidification Call 2 On On On Demand 0 VAC High 70 PRECISION MODE operates independent of a Y1 thermostat demand Normal Operation 1 On On On Acceptable 24 VAC High 100 Dehumidif...

Страница 47: ...C High 70 Thermostat will keep out door unit energized after cooling temperature set point has been reached in order to maintain room humidity setpoint ROOM THERMOSTAT CALLS FOR FIRST AND SECOND STAGE...

Страница 48: ...air inducer to stop At this point the trap should be primed with suffi cient water to ensure proper condensate drain opera tion BEFORE PLACING THE UNIT INTO OPERATION smell all around the furnace area...

Страница 49: ...nected to meter Supply Pressure Measurement A threaded plug on the inlet side of the gas valve provides access to the supply pressure tap Remove the threaded plug install a field provided barbed fitti...

Страница 50: ...FIGURE 53 Field Installed Gas Valve MANIFOLD PRESSURE MEASUREMENT FIGURE 54 Negative Port Positive Port Gas Valve Measuring Device Field Installed Operating Signal Delta P Measurement Black Tubing Red...

Страница 51: ...e Model Input Size CO2 For Nat CO2 For L P 070 5 7 7 2 8 2 090 5 3 6 3 6 8 7 8 110 135 High Altitude Information NOTE In Canada certification for installations at eleva tions over 4500 feet 1372 m is...

Страница 52: ...e there is no blockage 2 Are pressure switches closed Obstructed exhaust pipe will cause unit to shut off at pressure switches Check termination for blockages 3 Reset manual flame rollout switches on...

Страница 53: ...ration as long as the thermostat has a first stage heating demand 5 If second stage heat is required the thermostat sec ond stage heat contacts close and send a signal to the integrated control The in...

Страница 54: ...nt pipes may become restricted Always check the vent system and remove any snow or ice that may be obstructing the plastic intake or exhaust pipes Electrical 1 Check all wiring for loose connections 2...

Страница 55: ...ce agency or gas supplier Cabinet Parts Outer access panel Blower access panel Top cap Control Panel Parts Transformer Integrated control Door interlock switch Circuit breaker Blower Parts Blower whee...

Страница 56: ...tage low Range is 18 to 30 volts Check voltage E 120 Unresponsive device Usually caused by delay in outdoor unit responding to indoor unit poling recycle power check wiring E 124 Active communicating...

Страница 57: ...vent system and pressure switch wiring connec tions E 240 Low flame current Run mode Refer to troubleshooting in installation instruction Check micro amperes of flame sensor clean or replace sensor Me...

Страница 58: ...rk connection Communication link problem For Future Use E 347 No 24 Volt output on Y1 to C with non communicating outdoor unit Y1 relay Stage 1 failed Pilot relay contacts did not close or the relay c...

Страница 59: ...od During that period hold push button until code stops blinking disappear for 2 seconds Integrated control will store code in memory and will automatically exit Field Test Mode and reset If second pe...

Страница 60: ...rial Wait For Ignition Stabilization Delay Post Purge 20Seconds Soft Lockout Error Code Flashes YES NO NO YES Call For Heat Ends NO YES YES NO C A L L F O R 1 S T S T A G E H E A T 3A 2 1 1 OR Call Fo...

Страница 61: ...Closes Within 10 Seconds NO Error Code Flashes NO YES Wait 5 Minutes 3A 2 1 2 1 System will always light at 70 even if 2nd stage call for heat is in place If the high pressure switch does not close w...

Страница 62: ...witched to 70 rate speed Adjust Indoor Blower to appropiate speed Combustion Air Inducer OFF after 20 Second Post Purge Indoor Blower OFF after OFF Delay RUN MODE SINGLE STAGE THERMOSTAT ALL INPUTS MO...

Страница 63: ...conds Soft Lockout Error Code Flashes YES NO NO YES Call For Heat Ends NO YES YES NO C A L L F O R H E A T 3B 1 4 Move to Mid Firing Rate and High Firing Rate after 2nd and 3rd Stage Delays based on D...

Страница 64: ...gize and Low Cooling mode High Cooling mode High Cooling mode Per Ramping Profile NO NO YES NO 5 1 2 1 2 2 2 1 Indoor Blower On After 2 second delay Energize Indoor Blower Per Ramping Profile Energize...

Страница 65: ...S NO YES Go to Call for Cooling 6 1 4 5 1 Call for Continuous Blower Indoor Blower On Maintain Indoor Blower at set speed Maintain Indoor Blower at set speed OR Maintain Indoor Blower at set speed Ind...

Страница 66: ...eight 8 feet above grade di rectly in line with the exhaust vent terminal for the hori zontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half...

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